1; REQUIRES: object-emission 2 3; RUN: llc < %s -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu 4; RUN: llvm-dwarfdump %t | FileCheck --check-prefix=CHECK --check-prefix=SINGLE %s 5; RUN: llvm-readobj -s -t %t | FileCheck --check-prefix=OBJ_SINGLE %s 6 7; RUN: llc < %s -split-dwarf=Enable -o %t -filetype=obj -O0 -generate-type-units -mtriple=x86_64-unknown-linux-gnu 8; RUN: llvm-dwarfdump %t | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s 9; RUN: llvm-readobj -s -t %t | FileCheck --check-prefix=OBJ_FISSION %s 10 11; Generated from bar.cpp: 12 13; #line 1 "bar.h" 14; struct bar {}; 15; #line 2 "bar.cpp" 16 17; struct bar b; 18 19; void foo(void) { 20; struct baz {}; 21; baz b; 22; } 23 24; namespace echidna { 25; namespace capybara { 26; namespace mongoose { 27; class fluffy { 28; int a; 29; int b; 30; }; 31 32; fluffy animal; 33; } 34; } 35; } 36 37; namespace { 38; struct walrus { 39; walrus() {} 40; }; 41; } 42 43; walrus w; 44 45; struct wombat { 46; struct { 47; int a; 48; int b; 49; } a_b; 50; }; 51 52; wombat wom; 53 54; SINGLE-LABEL: .debug_info contents: 55; FISSION-LABEL: .debug_info.dwo contents: 56; CHECK: Compile Unit: length = [[CU_SIZE:[0-9a-f]+]] 57 58; CHECK: [[BAR:^0x........]]: DW_TAG_structure_type 59; CHECK-NEXT: DW_AT_declaration 60; CHECK-NEXT: DW_AT_signature {{.*}} (0x1d02f3be30cc5688) 61; CHECK: [[FLUFFY:^0x........]]: DW_TAG_class_type 62; CHECK-NEXT: DW_AT_declaration 63; CHECK-NEXT: DW_AT_signature {{.*}} (0xb04af47397402e77) 64 65; Ensure the CU-local type 'walrus' is not placed in a type unit. 66; CHECK: [[WALRUS:^0x........]]: DW_TAG_structure_type 67; CHECK-NEXT: DW_AT_name{{.*}}"walrus" 68; CHECK-NEXT: DW_AT_byte_size 69; CHECK-NEXT: DW_AT_decl_file 70; CHECK-NEXT: DW_AT_decl_line 71 72 73; CHECK: [[WOMBAT:^0x........]]: DW_TAG_structure_type 74; CHECK-NEXT: DW_AT_declaration 75; CHECK-NEXT: DW_AT_signature {{.*}} (0xfd756cee88f8a118) 76 77; SINGLE-LABEL: .debug_types contents: 78; FISSION-NOT: .debug_types contents: 79; FISSION-LABEL: .debug_types.dwo contents: 80 81; Check that we generate a hash for bar and the value. 82; CHECK-NOT: type_signature 83; CHECK-LABEL: type_signature = 0x1d02f3be30cc5688 84; CHECK: DW_TAG_structure_type 85; FISSION-NEXT: DW_AT_name {{.*}} ( indexed {{.*}} "bar" 86; SINGLE-NEXT: DW_AT_name {{.*}} "bar" 87 88 89; Check that we generate a hash for fluffy and the value. 90; CHECK-NOT: type_signature 91; CHECK-LABEL: type_signature = 0xb04af47397402e77 92; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x9a0124d5a0c21c52) 93; CHECK: DW_TAG_namespace 94; CHECK-NEXT: DW_AT_name{{.*}}"echidna" 95; CHECK: DW_TAG_namespace 96; CHECK-NEXT: DW_AT_name{{.*}}"capybara" 97; CHECK: DW_TAG_namespace 98; CHECK-NEXT: DW_AT_name{{.*}}"mongoose" 99; CHECK: DW_TAG_class_type 100; CHECK-NEXT: DW_AT_name{{.*}}"fluffy" 101 102; Check that we generate a hash for wombat and the value, but not for the 103; anonymous type contained within. 104; CHECK-NOT: type_signature 105; CHECK-LABEL: type_signature = 0xfd756cee88f8a118 106; CHECK-NOT: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x685bcc220141e9d7) 107; CHECK: DW_TAG_structure_type 108; CHECK-NEXT: DW_AT_name{{.*}}"wombat" 109 110; CHECK-NOT: type_signature 111; CHECK-LABEL: type_signature = 0xe94f6d3843e62d6b 112; CHECK: DW_TAG_type_unit 113; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) 114; CHECK-NOT: NULL 115; CHECK-NOT: DW_AT_GNU_odr_signature 116; CHECK: DW_TAG_structure_type 117; The signature for the outer 'wombat' type 118; CHECK: DW_AT_signature [DW_FORM_ref_sig8] (0xfd756cee88f8a118) 119; CHECK: DW_TAG_structure_type 120; CHECK-NOT: DW_AT_name 121; CHECK-NOT: DW_AT_GNU_odr_signature 122; CHECK: DW_TAG_member 123; CHECK-NEXT: DW_AT_name{{.*}}"a" 124 125; CHECK-LABEL: .debug_line contents: 126; CHECK: Line table prologue 127; CHECK-NOT: file_names[ 128; SINGLE: file_names{{.*}} bar.h 129; CHECK: file_names{{.*}} bar.cpp 130; CHECK-NOT: file_names[ 131 132; CHECK-LABEL: .debug_line.dwo contents: 133; FISSION: Line table prologue 134; FISSION: opcode_base: 1 135; FISSION-NOT: standard_opcode_lengths 136; FISSION-NOT: include_directories 137; FISSION-NOT: file_names[ 138; FISSION: file_names{{.*}} bar.h 139; FISSION: file_names{{.*}} bar.cpp 140; FISSION-NOT: file_names[ 141 142; CHECK-LABEL: .debug_str contents: 143 144; Use the unit size as a rough hash/identifier for the unit we're dealing with 145; it happens to be unambiguous at the moment, but it's hardly ideal. 146; CHECK-LABEL: .debug_pubtypes contents: 147; Don't emit pubtype entries for type DIEs in the compile unit that just indirect to a type unit. 148; CHECK-NEXT: unit_size = [[CU_SIZE]] 149; CHECK-NEXT: Offset Name 150; CHECK-DAG: [[BAR]] "bar" 151; CHECK-DAG: [[WALRUS]] "(anonymous namespace)::walrus" 152; CHECK-DAG: [[WOMBAT]] "wombat" 153; CHECK-DAG: [[FLUFFY]] "echidna::capybara::mongoose::fluffy" 154 155; Make sure debug_types are in comdat groups. This could be more rigid to check 156; that they're the right comdat groups (each type in a separate comdat group, 157; etc) 158; OBJ_SINGLE: Name: .debug_types ( 159; OBJ_SINGLE-NOT: } 160; OBJ_SINGLE: SHF_GROUP 161 162; Fission type units don't go in comdat groups, since their linker is debug 163; aware it's handled using the debug info semantics rather than raw ELF object 164; semantics. 165; OBJ_FISSION: Name: .debug_types.dwo ( 166; OBJ_FISSION-NOT: SHF_GROUP 167; OBJ_FISSION: } 168 169%struct.bar = type { i8 } 170%"class.echidna::capybara::mongoose::fluffy" = type { i32, i32 } 171%"struct.<anonymous namespace>::walrus" = type { i8 } 172%struct.wombat = type { %struct.anon } 173%struct.anon = type { i32, i32 } 174%struct.baz = type { i8 } 175 176@b = global %struct.bar zeroinitializer, align 1 177@_ZN7echidna8capybara8mongoose6animalE = global %"class.echidna::capybara::mongoose::fluffy" zeroinitializer, align 4 178@w = internal global %"struct.<anonymous namespace>::walrus" zeroinitializer, align 1 179@wom = global %struct.wombat zeroinitializer, align 4 180@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] 181 182; Function Attrs: nounwind uwtable 183define void @_Z3foov() #0 !dbg !22 { 184entry: 185 %b = alloca %struct.baz, align 1 186 call void @llvm.dbg.declare(metadata %struct.baz* %b, metadata !46, metadata !DIExpression()), !dbg !48 187 ret void, !dbg !49 188} 189 190; Function Attrs: nounwind readnone 191declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 192 193define internal void @__cxx_global_var_init() section ".text.startup" !dbg !26 { 194entry: 195 call void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* @w), !dbg !50 196 ret void, !dbg !50 197} 198 199; Function Attrs: nounwind uwtable 200define internal void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* %this) unnamed_addr #0 align 2 !dbg !27 { 201entry: 202 %this.addr = alloca %"struct.<anonymous namespace>::walrus"*, align 8 203 store %"struct.<anonymous namespace>::walrus"* %this, %"struct.<anonymous namespace>::walrus"** %this.addr, align 8 204 call void @llvm.dbg.declare(metadata %"struct.<anonymous namespace>::walrus"** %this.addr, metadata !51, metadata !DIExpression()), !dbg !53 205 %this1 = load %"struct.<anonymous namespace>::walrus"*, %"struct.<anonymous namespace>::walrus"** %this.addr 206 ret void, !dbg !54 207} 208 209define internal void @_GLOBAL__I_a() section ".text.startup" !dbg !36 { 210entry: 211 call void @__cxx_global_var_init(), !dbg !55 212 ret void, !dbg !55 213} 214 215attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 216attributes #1 = { nounwind readnone } 217 218!llvm.dbg.cu = !{!0} 219!llvm.module.flags = !{!43, !44} 220!llvm.ident = !{!45} 221 222!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, splitDebugFilename: "bar.dwo", emissionKind: 0, file: !1, enums: !2, retainedTypes: !3, subprograms: !21, globals: !38, imports: !2) 223!1 = !DIFile(filename: "bar.cpp", directory: "/tmp/dbginfo") 224!2 = !{} 225!3 = !{!4, !6, !14, !17} 226!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", line: 1, size: 8, align: 8, file: !5, elements: !2, identifier: "_ZTS3bar") 227!5 = !DIFile(filename: "bar.h", directory: "/tmp/dbginfo") 228!6 = !DICompositeType(tag: DW_TAG_class_type, name: "fluffy", line: 13, size: 64, align: 32, file: !1, scope: !7, elements: !10, identifier: "_ZTSN7echidna8capybara8mongoose6fluffyE") 229!7 = !DINamespace(name: "mongoose", line: 12, file: !1, scope: !8) 230!8 = !DINamespace(name: "capybara", line: 11, file: !1, scope: !9) 231!9 = !DINamespace(name: "echidna", line: 10, file: !1, scope: null) 232!10 = !{!11, !13} 233!11 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 14, size: 32, align: 32, flags: DIFlagPrivate, file: !1, scope: !"_ZTSN7echidna8capybara8mongoose6fluffyE", baseType: !12) 234!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 235!13 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 15, size: 32, align: 32, offset: 32, flags: DIFlagPrivate, file: !1, scope: !"_ZTSN7echidna8capybara8mongoose6fluffyE", baseType: !12) 236!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "wombat", line: 31, size: 64, align: 32, file: !1, elements: !15, identifier: "_ZTS6wombat") 237!15 = !{!16} 238!16 = !DIDerivedType(tag: DW_TAG_member, name: "a_b", line: 35, size: 64, align: 32, file: !1, scope: !"_ZTS6wombat", baseType: !"_ZTSN6wombatUt_E") 239!17 = !DICompositeType(tag: DW_TAG_structure_type, line: 32, size: 64, align: 32, file: !1, scope: !"_ZTS6wombat", elements: !18, identifier: "_ZTSN6wombatUt_E") 240!18 = !{!19, !20} 241!19 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 33, size: 32, align: 32, file: !1, scope: !"_ZTSN6wombatUt_E", baseType: !12) 242!20 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 34, size: 32, align: 32, offset: 32, file: !1, scope: !"_ZTSN6wombatUt_E", baseType: !12) 243!21 = !{!22, !26, !27, !36} 244!22 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !23, type: !24, variables: !2) 245!23 = !DIFile(filename: "bar.cpp", directory: "/tmp/dbginfo") 246!24 = !DISubroutineType(types: !25) 247!25 = !{null} 248!26 = distinct !DISubprogram(name: "__cxx_global_var_init", line: 29, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 29, file: !1, scope: !23, type: !24, variables: !2) 249!27 = distinct !DISubprogram(name: "walrus", linkageName: "_ZN12_GLOBAL__N_16walrusC2Ev", line: 25, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 25, file: !1, scope: !28, type: !32, declaration: !31, variables: !2) 250!28 = !DICompositeType(tag: DW_TAG_structure_type, name: "walrus", line: 24, size: 8, align: 8, file: !1, scope: !29, elements: !30) 251!29 = !DINamespace(line: 23, file: !1, scope: null) 252!30 = !{!31} 253!31 = !DISubprogram(name: "walrus", line: 25, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 25, file: !1, scope: !28, type: !32) 254!32 = !DISubroutineType(types: !33) 255!33 = !{null, !34} 256!34 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !28) 257!36 = distinct !DISubprogram(name: "", linkageName: "_GLOBAL__I_a", line: 25, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial, isOptimized: false, scopeLine: 25, file: !1, scope: !23, type: !37, variables: !2) 258!37 = !DISubroutineType(types: !2) 259!38 = !{!39, !40, !41, !42} 260!39 = !DIGlobalVariable(name: "b", line: 3, isLocal: false, isDefinition: true, scope: null, file: !23, type: !4, variable: %struct.bar* @b) 261!40 = !DIGlobalVariable(name: "animal", linkageName: "_ZN7echidna8capybara8mongoose6animalE", line: 18, isLocal: false, isDefinition: true, scope: !7, file: !23, type: !6, variable: %"class.echidna::capybara::mongoose::fluffy"* @_ZN7echidna8capybara8mongoose6animalE) 262!41 = !DIGlobalVariable(name: "w", line: 29, isLocal: true, isDefinition: true, scope: null, file: !23, type: !28, variable: %"struct.<anonymous namespace>::walrus"* @w) 263!42 = !DIGlobalVariable(name: "wom", line: 38, isLocal: false, isDefinition: true, scope: null, file: !23, type: !14, variable: %struct.wombat* @wom) 264!43 = !{i32 2, !"Dwarf Version", i32 4} 265!44 = !{i32 1, !"Debug Info Version", i32 3} 266!45 = !{!"clang version 3.5 "} 267!46 = !DILocalVariable(name: "b", line: 7, scope: !22, file: !23, type: !47) 268!47 = !DICompositeType(tag: DW_TAG_structure_type, name: "baz", line: 6, size: 8, align: 8, file: !1, scope: !22, elements: !2) 269!48 = !DILocation(line: 7, scope: !22) 270!49 = !DILocation(line: 8, scope: !22) 271!50 = !DILocation(line: 29, scope: !26) 272!51 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !27, type: !52) 273!52 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !28) 274!53 = !DILocation(line: 0, scope: !27) 275!54 = !DILocation(line: 25, scope: !27) 276!55 = !DILocation(line: 25, scope: !36) 277